12 results
Microorganisms Responsible for Infective Endocarditis

Native valves:
 - Streptococcus viridans 
 - Enterococci 
 - Other streptococci
for Infective Endocarditis ... ) - Culture negative ... #Infective #Endocarditis ... Pathogens #Diagnosis #Differential ... #InfectiousDiseases
Concurrent Brain and Lung Lesions
 • Bacteria: Nocardia spp, Strep anginosus, Staph aureus, Klebsiella pneumoniae (hypervirulent),
Concurrent Brain ... phenomena from endocarditis ... febrilepodcast #Brain ... #Differential # ... Diagnosis #causes #infectiousdiseases
Concurrent Brain and Lung Lesions
 • Bacteria: Nocardia spp, Strep anginosus, Staph aureus, Klebsiella pneumoniae (hypervirulent),
Concurrent Brain ... phenomena from endocarditis ... febrilepodcast #Brain ... #Differential # ... Diagnosis #causes #infectiousdiseases
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
blood culture negative ... infective endocarditis ... BCNIE #Causes #differential ... #Endocarditis # ... InfectiousDiseases
Differentiating NBTE from Infective Endocarditis
No pathognomonic signs/symptoms or echo features that are specific to NBTE, and
serology: Serial negative ... Frequent false-negative ... valves • MRI brain ... often seen • MRI brain ... #comparison #infective
Differential Diagnosis for Concurrent Brain and Lung Infections
 • Bacteria: Strep anginosus, Staph aureus, Klebsiella pneumoniae
Differential Diagnosis ... for Concurrent ... Brain and Lung Infections ... phenomena from endocarditis ... #Differential #
Causes of Culture Negative Abscess - Differential Diagnosis Framework
Consider prior antibiotics as a cause of a
Causes of Culture Negative ... Abscess - Differential ... culture Brain: ... #Abscess #Differential ... #Diagnosis #InfectiousDiseases
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
Blood Culture-Negative ... Infective Endocarditis ... #Infective #Endocarditis ... #diagnosis #differential ... #workup #infectiousdiseases
Fungal Biomarkers: Beta-D-Glucan and Aspergillus Galactomannan
Beta-D-Glucan:
 • Polysaccharide cell wall component of many fungi
 • Pathogens:
Coccidioides - Negative ... Cryptococcus - Negative ... BAL GM does not differentiate ... decreased with: concurrent ... Galactomannan #diagnosis #comparison
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
Hypertension - Workup and Differential ... hypertension despite concurrent ... patients with a negative ... Vasculitis • Endocrinologic ... Workup #causes #Differential